Help me answer these questions for health

The cardiovascular system, which transports blood through the body, is a one-way system. select the best answer from the choices provided. t f

At school, there have been a lot of rumors going around about how certain sexually transmitted diseases are spread. which skill would be most valuable to you take the necessary steps to learn what you need to know to protect yourself? a. self-direction b. critical thinking c. problem solving d. effective communication       select the best answer from the choices provided.

During the sixteenth, seventeenth, and eighteenth centuries, the mentally ill were housed in